Home / 4,450.82-6,677.82-1,985.42

Finding the Fourth Proportional to 4,450.82, 6,677.82 and 1,985.42

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Solution

The fourth proportional to 4,450.82, 6,677.82 and 1,985.42 is: 2,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.82 : 6,677.82 = 1,985.42 : x
  2. Step 2: Convert to fraction form
    4,450.82/6,677.82 = 1,985.42/x
  3. Step 3: Cross multiply
    4,450.82x = 6,677.82 × 1,985.42
  4. Step 4: Simplify right side
    4,450.82x = 13,258,277.38
  5. Step 5: Solve for x
    x = 13,258,277.38/4,450.82
  6. Step 6: Final answer
    x = 2,978.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.